8051 Switch Interfacing

8051 port pins can be used to interface switch. We can monitor switch status through the IO pins.

Program to monitor switch status.

	ORG 0H
	MOV P1, #0FFH
	MOV P0, #00H
AGAIN:
	MOV P0, P1
	SJMP AGAIN
	END

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8051 External Program Memory Interfacing   |   8051 External Data Memory Interfacing   |   8051 Memory Mapped IO   |   8051 LED Interfacing   |   8051 Keyboard Interfacing   |   8051 7-Segment Display Interfacing   |   8051 LCD Interfacing   |   8051 ADC Interfacing   |   8051 DAC Interfacing   |   8051 Relay Interfacing   |   8051 Sensor Interfacing   |   8051 Stepper Motor Interfacing   |   8051 DC Motor Interfacing

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List of topics: 8051

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